Driving circuit and circuit system thereof

Driving circuit and circuit system thereof

A driving circuit has a current source, a first NMOS transistor, a second NMOS transistor, a resistor and a PNP bipolar junction transistor. A drain of first NMOS transistor receives a current with a positive temperature coefficient which is provided by the current source, and a gate of the first NM...

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Hauptverfasser: LI, CHENG-TAO, LIU, WEI-JEAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CONTROLLING
PHYSICS
REGULATING
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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creator LI, CHENG-TAO
LIU, WEI-JEAN
description A driving circuit has a current source, a first NMOS transistor, a second NMOS transistor, a resistor and a PNP bipolar junction transistor. A drain of first NMOS transistor receives a current with a positive temperature coefficient which is provided by the current source, and a gate of the first NMOS transistor is electrically connected to the drain of the first NMOS transistor. A gate of the second NMOS transistor is electrically connected to the drain of the first NMOS transistor. A drain and a source of the second NMOS transistor respectively receive an input voltage and generate an output voltage for driving a load. The two ends of the resistor are respectively electrically connected to a source of the first NMOS transistor and an emitter of the PNP bipolar junction transistor. A base of the PNP bipolar junction transistor is electrically connected to a source of the second NMOS transistor, and a collector of the PNP bipolar junction transistor is electrically connected to a low voltage. By selecting the
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A drain of first NMOS transistor receives a current with a positive temperature coefficient which is provided by the current source, and a gate of the first NMOS transistor is electrically connected to the drain of the first NMOS transistor. A gate of the second NMOS transistor is electrically connected to the drain of the first NMOS transistor. A drain and a source of the second NMOS transistor respectively receive an input voltage and generate an output voltage for driving a load. The two ends of the resistor are respectively electrically connected to a source of the first NMOS transistor and an emitter of the PNP bipolar junction transistor. A base of the PNP bipolar junction transistor is electrically connected to a source of the second NMOS transistor, and a collector of the PNP bipolar junction transistor is electrically connected to a low voltage. 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A drain of first NMOS transistor receives a current with a positive temperature coefficient which is provided by the current source, and a gate of the first NMOS transistor is electrically connected to the drain of the first NMOS transistor. A gate of the second NMOS transistor is electrically connected to the drain of the first NMOS transistor. A drain and a source of the second NMOS transistor respectively receive an input voltage and generate an output voltage for driving a load. The two ends of the resistor are respectively electrically connected to a source of the first NMOS transistor and an emitter of the PNP bipolar junction transistor. A base of the PNP bipolar junction transistor is electrically connected to a source of the second NMOS transistor, and a collector of the PNP bipolar junction transistor is electrically connected to a low voltage. By selecting the</abstract><oa>free_for_read</oa></addata></record>
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subjects CONTROLLING
PHYSICS
REGULATING
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
title Driving circuit and circuit system thereof
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